diff --git a/res/values/strings.xml b/res/values/strings.xml
index 31f52446..7b7640c1 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -21,7 +21,7 @@
 <!-- TODO: Remove or change this placeholder text -->
     <string name="about_main" translatable="false">Xash3D Android</string>
     <string name="about_copyright">SDLash3D is not affiliated with Valve or any of their partners. All copyrights reserved to their respective owners.</string>
-    <string name="version_string" translatable="false">v0.16</string>
+    <string name="version_string" translatable="false">v0.17 test</string>
     <string name="about_authors">Port to Android by SDLash3D team: \n
 &#8226; a1batross\n
 &#8226; mittorn \n
diff --git a/src/in/celest/xash3d/InstallReceiver.java b/src/in/celest/xash3d/InstallReceiver.java
new file mode 100644
index 00000000..ecbb6809
--- /dev/null
+++ b/src/in/celest/xash3d/InstallReceiver.java
@@ -0,0 +1,14 @@
+package in.celest.xash3d;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+public class InstallReceiver extends BroadcastReceiver {
+private static final String TAG = "XASH3D";
+@Override
+public void onReceive(Context context, Intent arg1) {
+	Log.d( TAG, "Install received, extracting PAK" );
+    org.libsdl.app.SDLActivity.extractPAK( context, true );
+    }
+}
diff --git a/src/in/celest/xash3d/ShortcutActivity.java b/src/in/celest/xash3d/ShortcutActivity.java
index d94438fb..6533c07a 100644
--- a/src/in/celest/xash3d/ShortcutActivity.java
+++ b/src/in/celest/xash3d/ShortcutActivity.java
@@ -16,6 +16,7 @@ import android.os.*;
 public class ShortcutActivity extends Activity
 {
 	static EditText name, gamedir, pkgname, argv;
+	String [] env = null;
 	@Override
 	protected void onCreate(Bundle bundle)
 	{
@@ -38,6 +39,7 @@ public class ShortcutActivity extends Activity
 		String names = intent.getStringExtra("name");
 		if( names != null )
 			name.setText(names);
+		env = intent.getStringArrayExtra("env");
 		
 		//name.setText("Name");
 	}
@@ -52,6 +54,8 @@ public class ShortcutActivity extends Activity
 			intent.putExtra("pakfile", "/data/data/"+pkgname.getText().toString().replace("!","in.celest.xash3d.")+"/files/extras.pak");
 		}
 		if(gamedir.length() != 0) intent.putExtra("gamedir",gamedir.getText().toString());
+		if(env != null)
+			 intent.putExtra("env", env);
 		Intent wrapIntent = new Intent();
 		wrapIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, intent);
 		wrapIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, name.getText().toString());
diff --git a/src/org/libsdl/app/SDLActivity.java b/src/org/libsdl/app/SDLActivity.java
index 33b5cd55..ae53a3d9 100644
--- a/src/org/libsdl/app/SDLActivity.java
+++ b/src/org/libsdl/app/SDLActivity.java
@@ -91,7 +91,7 @@ public class SDLActivity extends Activity {
 	protected static AudioTrack mAudioTrack;
 
 	// Preferences
-	public static SharedPreferences mPref;
+	public static SharedPreferences mPref = null;
 	
 	// Arguments
 	public static String[] mArgv;
@@ -222,11 +222,24 @@ public class SDLActivity extends Activity {
 		setenv("XASH3D_GAMELIBDIR", gamelibdir, true);
 		setenv("XASH3D_GAMEDIR", gamedir, true);
 		
-		extractPAK();
+		extractPAK(this, false);
 		setenv("XASH3D_EXTRAS_PAK1", getFilesDir().getPath() + "/extras.pak", true);
 		String pakfile = intent.getStringExtra("pakfile");
 		if( pakfile != null && pakfile != "" )
 			setenv("XASH3D_EXTRAS_PAK2", pakfile, true);
+		String[] env = intent.getStringArrayExtra("env");
+		try
+		{
+			if( env != null )
+			for(int i = 0; i+1 < env.length; i+=2)
+			{
+				setenv(env[i],env[i+1], true);
+			}
+		}
+		catch(Exception e)
+		{
+			e.printStackTrace();
+		}
 		// Set up the surface
 		mSurface = new SDLSurface(getApplication());
 
@@ -973,7 +986,7 @@ public class SDLActivity extends Activity {
 
 							return dialog;
 	}
-	private void extractPAK() {
+	/*private void extractPAK() {
 		InputStream is = null;
 		FileOutputStream os = null;
 		if( mPref.getInt( "pakversion", 0 ) == PAK_VERSION )
@@ -996,6 +1009,34 @@ public class SDLActivity extends Activity {
 		{
 			Log.e( TAG, "Failed to extract PAK:" + e.toString() );
 		}
+	}*/
+	public static void extractPAK(Context context, Boolean force) {
+		InputStream is = null;
+		FileOutputStream os = null;
+		try {
+		if( mPref == null )
+			mPref = context.getSharedPreferences("engine", 0);
+		if( mPref.getInt( "pakversion", 0 ) == PAK_VERSION && !force )
+			return;
+			String path = context.getFilesDir().getPath()+"/extras.pak";
+		
+			is = context.getAssets().open("extras.pak");
+			os = new FileOutputStream(path);
+			byte[] buffer = new byte[1024];
+			int length;
+			while ((length = is.read(buffer)) > 0) {
+				os.write(buffer, 0, length);
+			}
+			os.close();
+			is.close();
+			SharedPreferences.Editor editor = mPref.edit();
+			editor.putInt( "pakversion", PAK_VERSION );
+			editor.commit();
+			editor.apply();
+		} catch( Exception e )
+		{
+			Log.e( TAG, "Failed to extract PAK:" + e.toString() );
+		}
 	}
 }
 
diff --git a/test/AndroidManifest.xml b/test/AndroidManifest.xml
index 8e7dd25f..64f2f39d 100644
--- a/test/AndroidManifest.xml
+++ b/test/AndroidManifest.xml
@@ -5,7 +5,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="in.celest.xash3d.hl.test"
       android:versionCode="1"
-      android:versionName="0.16pre"
+      android:versionName="0.17test"
       android:installLocation="auto">
 
     <!-- Create a Java class extending SDLActivity and place it in a
@@ -63,6 +63,17 @@
 		android:screenOrientation="landscape"
 		android:label="@string/app_name">
 	</activity> 
+		<receiver android:name="in.celest.xash3d.InstallReceiver">
+			<intent-filter android:priority="100">
+				<category android:name="android.intent.category.DEFAULT" />
+				<action android:name="android.intent.action.PACKAGE_ADDED"  />
+				<action android:name="android.intent.action.PACKAGE_CHANGED" />
+				<action android:name="android.intent.action.PACKAGE_INSTALL" />
+				<action android:name="android.intent.action.PACKAGE_REMOVED" />
+				<action android:name="android.intent.action.PACKAGE_REPLACED" />
+				<data android:scheme="package" />
+			</intent-filter>
+		</receiver>
     </application>
 
     <!-- Android 2.3 -->